SEARCH KEYWORD -- Server security
Building Security onto Your Mobile Application
Analysts state that more than 75% of the mobile applications will fail the basic security tests in 2015 – Gartner Research. Enterprises that follow the Bring Your Own Device (BYOD) approach and facilitate mobile computing to their employees are susceptible to security threats and other vulnerabilities, unless they implement stringent security measures. In the development or deployment of mobile applications, a business can be severely impacted both financially and otherwise, if they are to...
Web Application Development Company, iPhone App Development Company 2015-08-21 07:22:32
Cache Reheating - Not to be Ignored
An important aspect to keep in mind with databases is the cost of cache reheating after a server restart. Consider the following diagram which shows several cache servers (e.g., memcached) in front of a database server.This sort of setup is common and can work quite well when appropriate; it removes read load from the database and allows more RAM to be utilized for scaling (when the database doesn’t scale horizontally). But what happens if all the cache servers restart at the same time, s...
Database,Cost,Cache reheating,Advice 2011-09-21 09:47:29
Configure a PHP web server on CentOS
Are you used to use cPanel or Plesk on VPS for your PHP website management? If for some reason you don't want to use them? What can you do? How do you maintain your website? How do you access Emails, use FTP to upload files or use phpMyAdmin to manage your databases? You may need to configure all these services yourself on a VPS without cPanel or Plesk or other similar apps.But to configure all these services on a Linux server is not an easy job. You may spend many nights but still fail to get s...
Networking Terminologies
Portmaps sudo apt-get install -y portmap Portmap is a part of ONC RPC (Open Network Computing Remote Procedure) collection of software for implementing remote procedure calls between Computer Programs. It is widely used by NFS (Network File System) and NIS. Portmap is a server that converts RPC program number to DARPA protocol port number. It must be used in order to make RPC calls. Network Infomation Service (NIS) sudo apt-get install -y nis NIS is a client server directory service provi...
Linux,Network programming,Network file system 2012-02-16 06:22:30
Using htpasswd to protect your website in Nginx
We need to build a password protected website frequently such as an internal website within the team, demo website. Here what we are talking about is password protection in Nginx server level instead of application level registration and login. We are going to use Nginx server configuration and htpasswd file to achieve password authentication. The final result looks like below(Different browsers may have different interfaces): If the authentication fails, it will report a HTTP error: 401 Author...
Nginx,Password protected,htpasswd 2013-06-07 21:35:27
Windows Security Improvements
Traenk is still upset by his recent dive into Windows security. So much more was promised when the merger of Windows 9x and NT lines was announced, so long ago. I honestly expected better.Long ago, Microsoft announced that it would merge the then NT and Windows 9x lines of products. Wow! That means a file access control system, logging, different accounts and filespaces for accounts! Finally! We would have a secure version of Windows for our homes!And we do hav...
Windows,Security,Improvement,Windows NT 2011-09-02 11:54:50
How to reset root password in MySQL 8
The user password in MySQL is stored in the user table, the password reset is actually to change the value of record in this table. To change the password in case the password is forgotten, the idea is to bypass the authentication of MySQL and get into the system and update the record password value with SQL command. In MySQL 5, one can start MySQL service with --skip-grant-tables option, this option will tell the service to skip loading the grant tables when starting, hence the root user can lo...
WireGuard VPN Troubleshooting
When you are working as a network/cluster admin for you team to config the WireGuard VPN for other members, you may meet some of the problems below and these are the solution you can try to fix them. ----------------------------------------------------------------------------------------------------------- Problem [1]: The WireGuard handshake request send from the client can be received from the server but the server's response was blocked at some where so the client can not receive serv...
WIREGUARD,VPN,TROUBLESHOOTING 2021-12-14 09:17:46
Three Simple Ways to Improve the Security of Your Web App
It seems like web app security has entered the public conscious recently, probably as a result of the press covering the activities of groups like Anonymous and incidents like security breaches at several CAs. Here are a couple of quick security tips to improve the security of your web apps. Think of these as low-hanging fruit, not as a substitute for thorough analysis of your app’s security. If there’s interest in this topic we can do more posts, too - let us know in the com...
Web app,Security,X-FRAME-OPTIONS,SSL 2011-12-08 10:10:20
How to check whether a web page can be loaded in iframe
Sometimes you may want to load other website's page in your own website's iframe, but due to some security concerns, other website may have security configurations which prevent you from loading their pages into your iframe. In this case, if you try to load them, you would see a blank page or a text message telling that it's prohibited. Fortunately, you can detect this before you actually decide to load it. To prevent a page from being loaded by an iframe from other site, the response ...
HTTP,HTML,IFRAME,SECURITY,X-FRAME-OPTIONS,CONTENT-SECURITY-POLICY 2018-07-27 22:36:02
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